How to find the TOP part of the trapezium in the cross section

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secondary 2 | Maths
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secondary 2 Maths Singapore

How to find the TOP part of the trapezium in the cross section

Date Posted: 4 years ago

AC Lim

4 years ago

Slanted length^2= (3.2-2)^2 + 6^2
Slanted length = 6.11882342
Perimeter for shaded part= 2+6+3.2+6.11882343